1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "chrome/common/extensions/manifest_handlers/ui_overrides_handler.h"
7 #include "base/memory/scoped_ptr.h"
8 #include "base/strings/string_util.h"
9 #include "base/strings/utf_string_conversions.h"
10 #include "base/values.h"
11 #include "chrome/grit/generated_resources.h"
12 #include "extensions/common/error_utils.h"
13 #include "extensions/common/feature_switch.h"
14 #include "extensions/common/manifest_constants.h"
15 #include "extensions/common/permissions/manifest_permission.h"
16 #include "extensions/common/permissions/permissions_data.h"
17 #include "extensions/common/permissions/permissions_info.h"
18 #include "ipc/ipc_message.h"
19 #include "ui/base/l10n/l10n_util.h"
21 using extensions::api::manifest_types::ChromeUIOverrides;
23 namespace extensions {
25 // The manifest permission implementation supports a permission for overriding
27 class UIOverridesHandler::ManifestPermissionImpl : public ManifestPermission {
29 explicit ManifestPermissionImpl(bool override_bookmarks_ui_permission)
30 : override_bookmarks_ui_permission_(override_bookmarks_ui_permission) {}
32 // extensions::ManifestPermission overrides.
33 virtual std::string name() const OVERRIDE {
34 return manifest_keys::kUIOverride;
37 virtual std::string id() const OVERRIDE {
41 virtual bool HasMessages() const OVERRIDE {
42 return override_bookmarks_ui_permission_;
45 virtual PermissionMessages GetMessages() const OVERRIDE {
46 PermissionMessages result;
47 if (override_bookmarks_ui_permission_) {
48 result.push_back(PermissionMessage(
49 PermissionMessage::kOverrideBookmarksUI,
50 l10n_util::GetStringUTF16(
51 IDS_EXTENSION_PROMPT_WARNING_OVERRIDE_BOOKMARKS_UI)));
56 virtual bool FromValue(const base::Value* value) OVERRIDE {
57 return value && value->GetAsBoolean(&override_bookmarks_ui_permission_);
60 virtual scoped_ptr<base::Value> ToValue() const OVERRIDE {
61 return scoped_ptr<base::Value>(
62 new base::FundamentalValue(override_bookmarks_ui_permission_)).Pass();
65 virtual ManifestPermission* Diff(const ManifestPermission* rhs) const
67 const ManifestPermissionImpl* other =
68 static_cast<const ManifestPermissionImpl*>(rhs);
70 return scoped_ptr<ManifestPermissionImpl>(new ManifestPermissionImpl(
71 override_bookmarks_ui_permission_ &&
72 !other->override_bookmarks_ui_permission_)).release();
75 virtual ManifestPermission* Union(const ManifestPermission* rhs) const
77 const ManifestPermissionImpl* other =
78 static_cast<const ManifestPermissionImpl*>(rhs);
80 return scoped_ptr<ManifestPermissionImpl>(new ManifestPermissionImpl(
81 override_bookmarks_ui_permission_ ||
82 other->override_bookmarks_ui_permission_)).release();
85 virtual ManifestPermission* Intersect(const ManifestPermission* rhs) const
87 const ManifestPermissionImpl* other =
88 static_cast<const ManifestPermissionImpl*>(rhs);
90 return scoped_ptr<ManifestPermissionImpl>(new ManifestPermissionImpl(
91 override_bookmarks_ui_permission_ &&
92 other->override_bookmarks_ui_permission_)).release();
96 bool override_bookmarks_ui_permission_;
99 UIOverrides::UIOverrides() {}
101 UIOverrides::~UIOverrides() {}
103 const UIOverrides* UIOverrides::Get(const Extension* extension) {
104 return static_cast<UIOverrides*>(
105 extension->GetManifestData(manifest_keys::kUIOverride));
108 bool UIOverrides::RemovesBookmarkButton(const Extension* extension) {
109 const UIOverrides* ui_overrides = Get(extension);
110 return ui_overrides && ui_overrides->bookmarks_ui &&
111 ui_overrides->bookmarks_ui->remove_button &&
112 *ui_overrides->bookmarks_ui->remove_button;
115 bool UIOverrides::RemovesBookmarkShortcut(const Extension* extension) {
116 const UIOverrides* ui_overrides = Get(extension);
117 return ui_overrides && ui_overrides->bookmarks_ui &&
118 ui_overrides->bookmarks_ui->remove_bookmark_shortcut &&
119 *ui_overrides->bookmarks_ui->remove_bookmark_shortcut;
122 bool UIOverrides::RemovesBookmarkOpenPagesShortcut(const Extension* extension) {
123 const UIOverrides* ui_overrides = Get(extension);
124 return ui_overrides && ui_overrides->bookmarks_ui &&
125 ui_overrides->bookmarks_ui->remove_bookmark_open_pages_shortcut &&
126 *ui_overrides->bookmarks_ui->remove_bookmark_open_pages_shortcut;
129 UIOverridesHandler::UIOverridesHandler() {}
131 UIOverridesHandler::~UIOverridesHandler() {}
133 bool UIOverridesHandler::Parse(Extension* extension, base::string16* error) {
134 const base::Value* dict = NULL;
135 CHECK(extension->manifest()->Get(manifest_keys::kUIOverride, &dict));
136 scoped_ptr<ChromeUIOverrides> overrides(
137 ChromeUIOverrides::FromValue(*dict, error));
141 scoped_ptr<UIOverrides> info(new UIOverrides);
142 info->bookmarks_ui.swap(overrides->bookmarks_ui);
143 if (!info->bookmarks_ui) {
144 *error = ErrorUtils::FormatErrorMessageUTF16(
145 manifest_errors::kInvalidEmptyDictionary,
146 manifest_keys::kUIOverride);
149 info->manifest_permission.reset(new ManifestPermissionImpl(
150 info->bookmarks_ui.get() != NULL));
151 extension->SetManifestData(manifest_keys::kUIOverride, info.release());
155 bool UIOverridesHandler::Validate(const Extension* extension,
157 std::vector<InstallWarning>* warnings) const {
158 const UIOverrides* ui_overrides = UIOverrides::Get(extension);
160 if (ui_overrides && ui_overrides->bookmarks_ui) {
161 if (!FeatureSwitch::enable_override_bookmarks_ui()->IsEnabled()) {
162 warnings->push_back(InstallWarning(
163 ErrorUtils::FormatErrorMessage(
164 manifest_errors::kUnrecognizedManifestProperty,
165 manifest_keys::kBookmarkUI,
166 manifest_keys::kUIOverride)));
173 ManifestPermission* UIOverridesHandler::CreatePermission() {
174 return new ManifestPermissionImpl(false);
177 ManifestPermission* UIOverridesHandler::CreateInitialRequiredPermission(
178 const Extension* extension) {
179 const UIOverrides* data = UIOverrides::Get(extension);
181 return data->manifest_permission->Clone();
184 const std::vector<std::string> UIOverridesHandler::Keys() const {
185 return SingleKey(manifest_keys::kUIOverride);
188 } // namespace extensions